The world's most popular video formats are supported by this extremely easy-to-use program: AVI, MPEG-1, MPEG-2, WMV, DivX, XviD, MP4, H.264, 3GP, 3G2, ASF, MOV, QT, VOB/DVD, etc. Audio formats are supported as well. This feature lets you download and convert YouTube videos into audio formats, such as MP3, AC3, AAC or M4A. 4U YouTube Video Downloader features a built-in multi-thread engine for downloading and converting. That makes it possible to batch download 1000's of videos of your favorite artist from youtube.com at the same time.

4U YouTube Video Downloader is very easy to use. Everybody can use it without special learning. It has a Windows Clipboad monitor, which can watch and analyze the URL automatically when you copy any string. Once it determine that you copy an available YouTube video URL, 4U YouTube Video Downloader will create a new task automatically and show a confirmation dialog to let you confirm and start downloading.